CVE-2026-77900 PUBLISHED

Azure App Service Remote Code Execution Vulnerability

Assigner: microsoft
Reserved: 21.08.2026 Published: 08.10.2026 Updated: 09.10.2026

Missing authentication for critical function in Azure App Service allows an unauthorized attacker to execute code over a network.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS Score: 9.8

Product Status

Vendor Microsoft
Product Azure App Service for Linux
Versions
  • Version - is affected

References

Problem Types